# import matplotlib.pyplot as plt
# import numpy as np
# ypoints=np.array([6,2,13,10])
# plt.plot(ypoints,'o:r',ms = 10,mec ='r')
# plt.show()

# import numpy as np
# import matplotlib.pyplot as plt
# x =np.array([1,2,3,4])
# y=np.array([1,4,9,16])
# plt.plot(x,y)
# plt.xlabel("x-label")
# plt.ylabel("y - label")
# plt.show()
#
# import matplotlib.pyplot as plt
# import numpy as np
# xpoints=np.array([0,6])
# ypoints=np.array([0,100])
# plt.subplot(1,2,1)
# plt.plot(xpoints,ypoints)
# plt.title("plot 1")
# #plot 2:
# x=np.array([1,2,3,4])
# y=np.array([1,4,9,161])
# plt.subplot(1,2,2)
# plt.plot(x,y)
# plt.title("plot 2")
# plt.suptitle("RUNOOB subplot Test")
# plt.show()





